
    <p>The selected option's age is {{selectedValue?.age}}</p>
    <br>
    <nz-select style="width: 120px;" [compareWith]="compareFn" [(ngModel)]="selectedValue" (ngModelChange)="log($event)" nzAllowClear nzPlaceHolder="Choose">
      <nz-option *ngFor="let option of optionList" [nzValue]="option" [nzLabel]="option.label"></nz-option>
    </nz-select>
  